Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 173, NWS Tallahassee, FL

June 29, 2021Dixie County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 29, 2021, 2:28 PM EDT for Dixie County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 29, 2021, 2:28 PM EDT (18:28 UTC)
Expired: Jun 29, 2021, 3:00 PM EDT
In force: 32 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Dixie County, FL

The radar

The Tallahassee radar (KTLH), 158 km from the middle of the area, began a volume at 18:26 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.5 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 990 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 892 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

914 
WUUS52 KTAE 291828
SVRTAE
FLC029-291900-
/O.NEW.KTAE.SV.W.0173.210629T1828Z-210629T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
228 PM EDT Tue Jun 29 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Central Dixie County in Big Bend of Florida...

* Until 300 PM EDT.

* At 228 PM EDT, a severe thunderstorm was located near Fowlers
  Bluff, or 11 miles south of Cross City, moving northwest at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Cross City, Horseshoe Point, Horseshoe Beach, Shamrock, Jonesboro,
  Cross City Airport, Shired Island, Eugene and Yellow Jacket.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2946 8346 2976 8327 2955 8296 2954 8298
      2952 8297 2952 8298 2947 8298 2946 8300
      2943 8302 2942 8302 2942 8303 2940 8302
      2937 8307 2936 8306 2936 8307
TIME...MOT...LOC 1828Z 115DEG 19KT 2947 8309 

HAIL...<.75IN
WIND...60MPH
 
$$

1 follow-up statement

821 
WWUS52 KTAE 291852
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
252 PM EDT Tue Jun 29 2021

FLC029-291901-
/O.EXP.KTAE.SV.W.0173.000000T0000Z-210629T1900Z/
Dixie FL-
252 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DIXIE COUNTY WILL
EXPIRE AT 300 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty 
winds around 40 mph are still possible with this thunderstorm.

LAT...LON 2946 8346 2976 8327 2955 8296 2954 8298
      2952 8297 2952 8298 2947 8298 2946 8300
      2943 8302 2942 8302 2942 8303 2940 8302
      2937 8307 2936 8306 2936 8307
TIME...MOT...LOC 1851Z 115DEG 19KT 2952 8321 

$$

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 8:18 PM EDT	Special Weather Statement	TAE	Bay	27 min
Jun 28, 8:20 PM EDT	Special Marine Warning	TAE		26 min
Jun 29, 1:37 PM EDT	Special Weather Statement	TAE	Walton	53 min
Jun 29, 2:12 PM EDT	Special Weather Statement	TAE	Dixie, Lafayette	63 min
Jun 29, 2:16 PM EDT	Special Weather Statement	TAE	Washington	44 min
Jun 29, 2:19 PM EDT	Severe Thunderstorm Warning	TAE	Holmes, Walton	26 min
Jun 29, 2:54 PM EDT	Special Marine Warning	TAE		96 min
Jun 29, 3:11 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Taylor	55 min
Jun 29, 3:32 PM EDT	Special Weather Statement	TAE	Madison	43 min
Jun 29, 3:47 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Taylor	73 min
Jun 29, 4:15 PM EDT	Special Weather Statement	TAE	Jefferson	45 min
Jun 29, 4:18 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Madison	42 min
Jun 29, 4:25 PM EDT	Special Marine Warning	TAE		65 min
Jun 29, 4:49 PM EDT	Special Weather Statement	TAE	Wakulla	41 min
Jun 29, 7:28 PM EDT	Special Weather Statement	TAE	Gulf	47 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021 Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.